Finding the Fourth Proportional to 21,365.92, 32,014.32 and 17,472.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,365.92 : 32,014.32 = 17,472.16 : x
2. Step 2: Convert to fraction form
   21,365.92/32,014.32 = 17,472.16/x
3. Step 3: Cross multiply
   21,365.92x = 32,014.32 × 17,472.16
4. Step 4: Simplify right side
   21,365.92x = 559,359,321.33
5. Step 5: Solve for x
   x = 559,359,321.33/21,365.92
6. Step 6: Final answer
   x = 26,179.98